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From Arghya Kusum Das <arghyakusumdas2...@gmail.com>
Subject Re: Giraph stops at superstep 0
Date Thu, 08 Jan 2015 05:53:53 GMT
Hi,

I appreciate your help. In the mean time I also developed some io format
based upon our requirement. Is it worthy to create a library for different
io format (we can try to be exhaustive) to ease the developers?

On Tuesday, January 6, 2015, Schweiger, Tom <thschweiger@ebay.com> wrote:

>  I'm on a plane now. I'll look into your problem ASAP.
>
> Sent from my phone.
>
> -----Original Message-----
> *From:* Mckie, Duncan [dmckie@ebay.com
> <javascript:_e(%7B%7D,'cvml','dmckie@ebay.com');>]
> *Received:* Tuesday, 06 Jan 2015, 10:04AM
> *To:* user@giraph.apache.org
> <javascript:_e(%7B%7D,'cvml','user@giraph.apache.org');> [
> user@giraph.apache.org
> <javascript:_e(%7B%7D,'cvml','user@giraph.apache.org');>]
> *Subject:* Re: Need help on simple text based giraph input format
>
>   Hi Arghya,
>
>
>
> I’m not sure if you received a reply or not, but here is a Text-based
> Vertex Adjacency List that I created:
>
>
>
>
> https://github.com/duncanmckie/giraph/blob/release-1.1/giraph-examples/src/main/java/org/apache/giraph/examples/io/formats/TextTextNullTextInputFormat.java
>
>
>
> This takes a tab-separated, vertex-oriented adjacency list as an input,
> and (as per your example) does not expect any edge weights.
>
>
>
> You can easily create your own input format by customising the examples
> provided, changing the Writable classes and doing any preprocessing as
> required.
>
>
>
> Cheers,
>
>
>
> Duncan
>
>
>
>
>
> From
>
> Arghya Kusum Das <arghyakusumdas2...@gmail.com
> <javascript:_e(%7B%7D,'cvml','arghyakusumdas2...@gmail.com');>>
>
> Subject
>
> Need help on simple text based giraph input format
>
> Date
>
> Fri, 05 Dec 2014 01:36:14 GMT
>
> Hi,
>
> This is the first time I am trying to deal with giraph input format class
>
> and need some help.
>
>
>
> I want a input-format-class where vertex-id, vertex-value and edge-weight
>
> everything will be simple text.
>
>
>
> Eg. I have a simple Graph like following:
>
>
>
> AAA  AAT AAG
>
> AAC  ACG ACT
>
> AAG AGT AGA
>
> AAT ATT
>
> ACG CGA
>
> ACT CTG CTT CTC
>
>
>
> The first column is the vertex id and the following are the edges
>
> (Adjacency list). As you can see edge weight or vertex id can be null also.
>
>
>
> Is there any predefined input-format in giraph for this?
>
> If so what is that? And if not can anybody provide a simple class for that?
>
>
>
> --> It is not possible to come up with different integer ids for different
>
> nodes. Because the vertex id can be even more than 50 characters (It is
>
> just a simple excerpt).  So I need a very simple text based vertex input
>
> format where each line represents a vertex and its outgoing edges
>
> (adjacency list).
>
>
>
> --
>
> Thanks and regards,
>
> Arghya Kusum Das
>
> (225-270-6163)
>
>
>


-- 
Thanks and regards,
Arghya Kusum Das
(225-270-6163)

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